Home / 16,770,311.91-23,142,891.33-9,428,177.79

Finding the Fourth Proportional to 16,770,311.91, 23,142,891.33 and 9,428,177.79

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Solution

The fourth proportional to 16,770,311.91, 23,142,891.33 and 9,428,177.79 is: 13,010,807.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770,311.91 : 23,142,891.33 = 9,428,177.79 : x
  2. Step 2: Convert to fraction form
    16,770,311.91/23,142,891.33 = 9,428,177.79/x
  3. Step 3: Cross multiply
    16,770,311.91x = 23,142,891.33 × 9,428,177.79
  4. Step 4: Simplify right side
    16,770,311.91x = 218,195,294,033,889.53
  5. Step 5: Solve for x
    x = 218,195,294,033,889.53/16,770,311.91
  6. Step 6: Final answer
    x = 13,010,807.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.